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ramips: Add support for TP-Link Archer C50 v6 (CA/EU/RU)
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grische committed Nov 6, 2023
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From bbb1b8f30d0587c77105865e015eee52e8f4822c Mon Sep 17 00:00:00 2001
From: Grische <[email protected]>
Date: Mon, 6 Nov 2023 22:07:14 +0100
Subject: [PATCH] ramips: Add support for TP-Link Archer C50 v6 (CA/EU/RU)

---
...rt-for-TP-Link-Archer-C50-v6-CA-EU-R.patch | 303 ++++++++++++++++++
1 file changed, 303 insertions(+)
create mode 100644 patches/openwrt/0100-ramips-Add-support-for-TP-Link-Archer-C50-v6-CA-EU-R.patch

diff --git a/patches/openwrt/0100-ramips-Add-support-for-TP-Link-Archer-C50-v6-CA-EU-R.patch b/patches/openwrt/0100-ramips-Add-support-for-TP-Link-Archer-C50-v6-CA-EU-R.patch
new file mode 100644
index 00000000..4fb8fa94
--- /dev/null
+++ b/patches/openwrt/0100-ramips-Add-support-for-TP-Link-Archer-C50-v6-CA-EU-R.patch
@@ -0,0 +1,303 @@
+From 59086d1647b0399e93c2e7ab3cfc134f79576990 Mon Sep 17 00:00:00 2001
+From: Renaud Gaspard <[email protected]>
+Date: Sun, 22 Jan 2023 20:41:48 +0100
+Subject: [PATCH] ramips: Add support for TP-Link Archer C50 v6 (CA/EU/RU)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This adds support for the TP-Link Archer C50 v6 (CA/EU/RU).
+(The ES variant is a rebranded Archer C54 and NOT supported.)
+
+CPU: MediaTek MT7628 (580MHz)
+RAM: 64M DDR2
+FLASH: 8M SPI
+WiFi: 2.4GHz 2x2 MT7628 b/g/n integrated
+WiFi: 5GHz 2x2 MT7613 a/n/ac
+ETH: 1x WAN 4x LAN
+LED: Power, WiFi2, WiFi5, LAN, WAN, WPS
+BTN: WPS/WiFi, RESET
+UART: Near ETH ports, 115200 8n1, TP-Link pinout
+
+Create Factory image
+--------------------
+As all installation methods require a U-Boot to be integrated into the
+image (and we do not ship one with the image). We are not able to create
+an image in the OpenWRT build-process.
+
+Download a TP-Link image for your device variant (CA/EU or RU) from their
+website and a OpenWRT sysupgrade image for the device
+and build yourself a factory image like following:
+
+TP-Link image: tpl.bin
+OpenWRT sysupgrade image: owrt.bin
+
+ > dd if=tpl.bin of=boot.bin bs=131584 count=1
+ > cat owrt.bin >> boot.bin
+
+Installing via Web-UI
+---------------------
+Upload the boot.bin via TP-Links firmware upgrade tool in the
+web-interface.
+
+Installing via Recovery
+-----------------------
+Activate Web-Recovery by beginning the upgrade Process with a
+Firmware-Image from TP-Link. After starting the Firmware Upgrade,
+wait ~3 seconds (When update status is switching to 0%), then
+disconnect the power supply from the device. Upgrade flag (which
+activates Web-Recovery) is written before the OS-image is touched and
+removed after write is succesfull, so this procedure should be safe.
+
+Plug the power back in. It will come up in Recovery-Mode on 192.168.0.1.
+When active, all LEDs but the WPS LED are off.
+Remeber to assign yourself a static IP-address as DHCP is not active in
+this mode.
+
+The boot.bin can now be uploaded and flashed using the web-recovery.
+
+Installing via TFTP
+-------------------
+Prepare an image like following (Filenames from factory image steps
+apply here)
+
+ > dd if=/dev/zero of=tp_recovery.bin bs=196608 count=1
+ > dd if=tpl.bin of=tmp.bin bs=131584 count=1
+ > dd if=tmp.bin of=boot.bin bs=512 skip=1
+ > cat boot.bin >> tp_recovery.bin
+ > cat owrt.bin >> tp_recovery.bin
+
+Place tp_recovery.bin in root directory of TFTP server and listen on
+192.168.0.66/24.
+
+Connect router LAN ports with your computer and power up the router
+while pressing the reset button. The router will download the image via
+tftp and after ~1 Minute reboot into OpenWRT.
+
+U-Boot CLI
+----------
+U-Boot CLI can be activated by holding down '4' on bootup.
+
+Dual U-Boot
+-----------
+This is the first TP-Link MediaTek device to feature a split-uboot
+design. The first (factory-uboot) provides recovery via TFTP and HTTP,
+jumping straight into the second (firmware-uboot) if no recovery needs
+to be performed. The firmware-uboot unpacks and executed the kernel.
+
+Web-Recovery
+------------
+TP-Link integrated a new Web-Recovery like the one on the Archer C7v4 /
+TL-WR1043v5. Stock-firmware sets a flag in the "romfile" partition
+before beginning to write and removes it afterwards. If the router boots
+with this flag set, bootloader will automatically start Web-recovery and
+listens on 192.168.0.1. This way, the vendor-firmware or an OpenWRT
+factory image can be written.
+
+By doing the same while performing sysupgrade, we can take advantage of
+the Web-recovery in OpenWRT.
+
+It is important to note that Web-Recovery is only based on this flag. It
+can't detect e.g. a crashing kernel or other means. Once activated it
+won't boot the OS before a recovery action (either via TFTP or HTTP) is
+performed. This recovery-mode is indicated by an illuminated WPS-LED on
+boot.
+
+Co-authored-by: Julius Schwartzenberg <[email protected]>
+Signed-off-by: Renaud Gaspard <[email protected]>
+Signed-off-by: Julius Schwartzenberg <[email protected]>
+Tested-by: Julius Schwartzenberg <[email protected]>
+Tested-by: Jaroslav Mikulík <[email protected]>
+Tested-by: Ashipa Eko <[email protected]>
+---
+ .../dts/mt7628an_tplink_archer-c50-v6.dts | 99 +++++++++++++++++++
+ target/linux/ramips/image/mt76x8.mk | 14 +++
+ .../mt76x8/base-files/etc/board.d/01_leds | 3 +-
+ .../mt76x8/base-files/etc/board.d/02_network | 4 +-
+ .../mt76x8/base-files/lib/upgrade/platform.sh | 3 +-
+ 5 files changed, 120 insertions(+), 3 deletions(-)
+ create mode 100644 target/linux/ramips/dts/mt7628an_tplink_archer-c50-v6.dts
+
+diff --git a/target/linux/ramips/dts/mt7628an_tplink_archer-c50-v6.dts b/target/linux/ramips/dts/mt7628an_tplink_archer-c50-v6.dts
+new file mode 100644
+index 0000000000..0f9d9fc0ab
+--- /dev/null
++++ b/target/linux/ramips/dts/mt7628an_tplink_archer-c50-v6.dts
+@@ -0,0 +1,99 @@
++// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
++
++#include "mt7628an_tplink_8m-split-uboot.dtsi"
++
++/ {
++ compatible = "tplink,archer-c50-v6", "mediatek,mt7628an-soc";
++ model = "TP-Link Archer C50 v6 (CA/EU/RU)";
++
++ aliases {
++ led-boot = &led_power;
++ led-failsafe = &led_power;
++ led-running = &led_power;
++ led-upgrade = &led_power;
++ };
++
++ keys {
++ compatible = "gpio-keys";
++
++ reset {
++ label = "reset";
++ gpios = <&gpio 38 GPIO_ACTIVE_LOW>;
++ linux,code = <KEY_RESTART>;
++ };
++
++ rfkill {
++ label = "rfkill";
++ gpios = <&gpio 5 GPIO_ACTIVE_LOW>;
++ linux,code = <KEY_RFKILL>;
++ };
++ };
++
++ leds {
++ compatible = "gpio-leds";
++
++ led_power: power {
++ label = "green:power";
++ gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
++ };
++
++ wlan2 {
++ label = "green:wlan2g";
++ gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
++ };
++
++ wlan5 {
++ label = "green:wlan5g";
++ gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
++ };
++
++ lan {
++ label = "green:lan";
++ gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
++ };
++
++ wan {
++ label = "green:wan";
++ gpios = <&gpio 39 GPIO_ACTIVE_LOW>;
++ };
++
++ wan_orange {
++ label = "orange:wan";
++ gpios = <&gpio 40 GPIO_ACTIVE_LOW>;
++ };
++ };
++};
++
++&ehci {
++ status = "disabled";
++};
++
++&ohci {
++ status = "disabled";
++};
++
++&state_default {
++ gpio {
++ groups = "i2c", "p0led_an", "p1led_an", "p2led_an",
++ "p3led_an", "p4led_an", "wdt", "wled_an";
++ function = "gpio";
++ };
++};
++
++&pcie {
++ status = "okay";
++};
++
++&pcie0 {
++ wifi@0,0 {
++ reg = <0x0000 0 0 0 0>;
++ ieee80211-freq-limit = <5000000 6000000>;
++ nvmem-cells = <&eeprom_radio_8000>, <&macaddr_rom_f100>;
++ nvmem-cell-names = "eeprom", "mac-address";
++ mac-address-increment = <(-1)>;
++ };
++};
++
++&eeprom_radio_8000 {
++ reg = <0x8000 0x4da8>;
++};
+diff --git a/target/linux/ramips/image/mt76x8.mk b/target/linux/ramips/image/mt76x8.mk
+index 816009ac18..11a12eca69 100644
+--- a/target/linux/ramips/image/mt76x8.mk
++++ b/target/linux/ramips/image/mt76x8.mk
+@@ -593,6 +593,20 @@ define Device/tplink_archer-c50-v4
+ endef
+ TARGET_DEVICES += tplink_archer-c50-v4
+
++define Device/tplink_archer-c50-v6
++ $(Device/tplink-v2)
++ IMAGE_SIZE := 7616k
++ DEVICE_MODEL := Archer C50
++ DEVICE_VARIANT := v6 (CA/EU/RU)
++ TPLINK_FLASHLAYOUT := 8MSUmtk
++ TPLINK_HWID := 0x0C500006
++ TPLINK_HWREVADD := 0x6
++ DEVICE_PACKAGES := kmod-mt7615e kmod-mt7663-firmware-ap
++ IMAGES := sysupgrade.bin
++ SUPPORTED_DEVICES += tplink,c50-v6
++endef
++TARGET_DEVICES += tplink_archer-c50-v6
++
+ define Device/tplink_re200-v2
+ $(Device/tplink-safeloader)
+ IMAGE_SIZE := 7808k
+diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds b/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
+index 792bd13ebc..0b109feb6c 100644
+--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
++++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
+@@ -76,7 +76,8 @@ tplink,tl-wr850n-v2)
+ ucidef_set_led_switch "wan" "wan" "green:wan" "switch0" "0x01"
+ ;;
+ tplink,archer-c50-v3|\
+-tplink,archer-c50-v4)
++tplink,archer-c50-v4|\
++tplink,archer-c50-v6)
+ ucidef_set_led_switch "lan" "lan" "green:lan" "switch0" "0x1e"
+ ucidef_set_led_switch "wan" "wan" "green:wan" "switch0" "0x01"
+ ucidef_set_led_wlan "wlan2g" "wlan2g" "green:wlan2g" "phy0tpt"
+diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
+index 6bcdea971b..2ec41fe254 100644
+--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
++++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
+@@ -46,6 +46,7 @@ ramips_setup_interfaces()
+ tplink,archer-c20-v5|\
+ tplink,archer-c50-v3|\
+ tplink,archer-c50-v4|\
++ tplink,archer-c50-v6|\
+ tplink,tl-mr3420-v5|\
+ tplink,tl-wr840n-v4|\
+ tplink,tl-wr840n-v5|\
+@@ -294,7 +295,8 @@ ramips_setup_macs()
+ wan_mac=$(macaddr_add "$(mtd_get_mac_binary factory 0xf100)" 1)
+ ;;
+ tplink,archer-c20-v5|\
+- tplink,archer-c50-v4)
++ tplink,archer-c50-v4|\
++ tplink,archer-c50-v6)
+ wan_mac=$(macaddr_add "$(mtd_get_mac_binary rom 0xf100)" 1)
+ ;;
+ wavlink,wl-wn570ha1|\
+diff --git a/target/linux/ramips/mt76x8/base-files/lib/upgrade/platform.sh b/target/linux/ramips/mt76x8/base-files/lib/upgrade/platform.sh
+index 20adfafc3d..427de8406f 100755
+--- a/target/linux/ramips/mt76x8/base-files/lib/upgrade/platform.sh
++++ b/target/linux/ramips/mt76x8/base-files/lib/upgrade/platform.sh
+@@ -29,7 +29,8 @@ platform_do_upgrade() {
+ default_do_upgrade "$1"
+ ;;
+ tplink,archer-c20-v5|\
+- tplink,archer-c50-v4)
++ tplink,archer-c50-v4|\
++ tplink,archer-c50-v6)
+ MTD_ARGS="-t romfile"
+ default_do_upgrade "$1"
+ ;;
+--
+2.34.1
+
--
2.34.1

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